Things You'll Need:
- tape measure
- note pad
- pen
- someone to help
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Step 1
Using the tape measure, measure around your rib cage at your normal band location. Have your friend verify and write down this measurement. Round down on any fraction of an inch. This is your band size.
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Step 2
Again using the tape measure, measure around the fullest part of your breast - have your friend hold and verify this measurement. Write it down. (do not pull tight)
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Step 3
The standard measurement rule is to subtract the 2 measurements - the difference between the 2 indicates your cup size. For example if your band measurement were 34 and your breast measurement were 39 the difference is 5" which is equal to a DD cup. Here are the standards for this measurement - 1"=A, 2"=B, 3"=C, 4"=D, 5"=DD and so on.
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Step 4
The frustrations usually are for those of us who do not fit the standard due to larger breast size or petite sizes or broader backs, etc. So this 4th step will help in these areas. Take a measurement of one breast from the crease on the outside to the crease on the inside; for example this measurement might be 9". Using this method, your cup size would be A=7", B=8", C=9", D=10", DD=11", E=12", etc.
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Step 5
If you are unsure of which measurement will work best for your size, take both with you to the store and try out the methods. When you find which is working better, stick to it. One last note, for women with a broader back than front measurement - you may want to add a band lengthener. These can lengthen the back band while still fully covering the breast at side and front.
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Step 6
Remember while shopping to make notes of the styles, brands, and shapes that work best for you. All these steps will help to eliminate that bra sizing frustration and help you find the bras that make you look fantastic in all clothing.
